Removing A Routing Engine - Juniper TX MATRIX PLUS Hardware Manual

Copyright © 2010, Juniper Networks, Inc.

Removing a Routing Engine

The TX Matrix Plus router can have one or two Routing Engines. They are located in a
slot inside the TXP-CB in the upper rear of the chassis . Each Routing Engine can weigh
up to 2.4 lb (1.1 kg).
To remove a Routing Engine (see Figure 124 on page 362):
If the Routing Engine to be replaced is currently functioning as the master Routing
1.
engine, switch it to be the backup before removing it. See "Understanding the Effect
of Switching to a TX Matrix Plus or T1600 Backup Routing Engine" on page 325.
Take the host subsystem offline. If there is only one host subsystem, taking the host
2.
subsystem offline shuts down the TX Matrix Plus router. See "Understanding the
Effect of Taking the Host Subsystem Offline" on page 324 and "Taking the Host
Subsystem Offline" on page 354
Place an electrostatic bag or antistatic mat on a flat, stable surface.
3.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
4.
the strap to one of the ESD points on the chassis.
Take the host subsystem offline.
5.
Press the red tabs on the ejector handles on both sides of the Routing Engine faceplate.
6.
Flip the ejector handles outward to unseat the Routing Engine.
7.
Grasp the Routing Engine by the ejector handles and slide it about halfway out of the
8.
chassis.
Place one of your hands underneath the Routing Engine to support it and slide it
9.
completely out of the chassis.
Place the Routing Engine on the antistatic mat.
10.
Chapter 22: Replacing TX Matrix Plus Hardware Components
361